Malicious PDF — malware analysis report

Static analysis result for SHA-256 d32419ab54eb2630…

MALICIOUS

PDF

42.3 KB Authoring application: Solid Converter PDF
MD5: 09f1d0c4a41f8ac09b71031c6504954c SHA-1: c03714a4b6694abbcbf8aa51ac2bc5f4fe96b4b8 SHA-256: d32419ab54eb2630b5ad1575b85669c48896adb79f829be3b775d8727ea886b3
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, many of which point to other PDF files, indicating a link farm for SEO or malicious redirection. The document body mentions 'Halo 3 pc campaign', likely a lure to attract users. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', further supporting a phishing or malicious redirection intent. The primary attack pattern involves enticing users to click on links that lead to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://amandamckelt.com/uploads/1/3/0/4/130435734/a571feba8da9d3.pdf
    • http://onlocation-sh.com/uploads/1/3/0/4/130436365/vabij.pdf
    • http://mobilpapershredding.com/uploads/1/3/0/4/130490585/9177799.pdf
    • http://uapanesthesia.com/uploads/1/3/0/5/130588611/jonafe.pdf
    • http://amksecurities.com/uploads/1/3/0/2/130289443/faloxax-fodubowe.pdf
    • http://gubeturi.rockfanatics.com/uploads/2020/01/28/zemexufodiwa.pdf
    • http://zambiasafarihunting.com/uploads/1/3/0/6/130639510/130639510.html#halo+3+pc+campaign

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010be.bin
208402e7b39b7a18df2e2aa4dbce74e7ceac2b3d0d4d270b8288dc506e2d08c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BE 8216 bytes
font_01_sfnt_off000059f2.bin
a66a95b74ed4618a7e29a8598845ff57d9bbc1961fed64c39b01374d39ae5a13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59F2 17660 bytes

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